30. TROUBLESHOOTING
Trouble
•
The LCD does not display anything
when I turn on the module.
•
The pen strokes don´t show on the
computer screen.
•
The pen strokes are
discontinuous.
31. SPECIFICATIONS
Main module input: 5 V
Pen input: 3 V
(2 x VR392 (SR41))
Product design and specifications are subject to change, without notice.
•
Connect the module to a computer to
•
Verify that the pen isn´t in mouse mode.
•
Verify that the distance between the pen and
•
Verify that the distance between the pen
and the infrared sensor is correct and is not
•
Verify the position of your hand according to
500 mA (x USB)
Solution
charge the battery module.
the infrared sensor is correct.
•
Replace the pen batteries.
beyond the paper size.
the sensor.
31
31